2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33514We discuss the physical equivalence between the Einstein and Jordan frames in Brans-Dicke theory. The inequivalence of conformal transformed theories is clarified with the help of an old equivalence theorem of Chrisholm's.7 pages, no figure, revtexGeneral Relativity and Quantum Cosmologytext